ITC is the most diversified supplier of Food & Cosmetic colorants in both the Synthetic & Natural forms. ITC`s food colours from natural sources are marketed under the VARNACOL trade name. ITC offers Anthocyanins color is collected from Grape Skins, Elderberry Red, Red Cabbage and Hibiscus. The shade obtained is Red to purple to Blue depending on pH. Anthocyanins are water-soluble colours. They are natural indicators being red in acidic conditions where they are most stable and becoming bluer as pH increases.